Looks like its this song one by three dog night http://www.threedognight.com/l_one.html
lots :)
An odd number is one that cannot be divided by 2 exactly therefore 1 is an odd number
anything times one is itself example: 1x1=1 1x2=2 1x3=3 1x4=4 and so on.
Because. That is how the English language has worked for years and years and years and makes the most sense.